Home / 2,070,621.78-3,105,466.11-807,799.38

Finding the Fourth Proportional to 2,070,621.78, 3,105,466.11 and 807,799.38

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Solution

The fourth proportional to 2,070,621.78, 3,105,466.11 and 807,799.38 is: 1,211,517.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,621.78 : 3,105,466.11 = 807,799.38 : x
  2. Step 2: Convert to fraction form
    2,070,621.78/3,105,466.11 = 807,799.38/x
  3. Step 3: Cross multiply
    2,070,621.78x = 3,105,466.11 × 807,799.38
  4. Step 4: Simplify right side
    2,070,621.78x = 2,508,593,598,269.01
  5. Step 5: Solve for x
    x = 2,508,593,598,269.01/2,070,621.78
  6. Step 6: Final answer
    x = 1,211,517.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.